Finding the Fourth Proportional to 242,106.21, 334,125.09 and 134,684.19
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Solution
The fourth proportional to 242,106.21, 334,125.09 and 134,684.19 is: 185,874.49
Step by Step Solution
- Step 1: Write the proportion equation
242,106.21 : 334,125.09 = 134,684.19 : x - Step 2: Convert to fraction form
242,106.21/334,125.09 = 134,684.19/x - Step 3: Cross multiply
242,106.21x = 334,125.09 × 134,684.19 - Step 4: Simplify right side
242,106.21x = 45,001,367,105.33 - Step 5: Solve for x
x = 45,001,367,105.33/242,106.21 - Step 6: Final answer
x = 185,874.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.